* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
+ * modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
+ * Lesser General Public License for more details.
*
- * You should have received a copy of the GNU Library General Public
+ * You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/*
- * Modified by the GTK+ Team and others 1997-1999. See the AUTHORS
+ * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
* file for a list of people on the GTK+ Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
#include "gdk.h"
-#include "gdkx.h"
-#include "gdkprivate.h"
-#include "gdkinput.h"
-#include "gdkkeysyms.h"
-
-#if HAVE_CONFIG_H
-# include <config.h>
-# if STDC_HEADERS
-# include <string.h>
-# endif
-#endif
-
+#include "gdkinternals.h"
typedef struct _GdkIOClosure GdkIOClosure;
typedef struct _GdkEventPrivate GdkEventPrivate;
* Private function declarations
*/
-static GdkEvent *gdk_event_new (void);
-static gint gdk_event_apply_filters (XEvent *xevent,
- GdkEvent *event,
- GList *filters);
-static gint gdk_event_translate (GdkEvent *event,
- XEvent *xevent);
-#if 0
-static Bool gdk_event_get_type (Display *display,
- XEvent *xevent,
- XPointer arg);
-#endif
-static void gdk_events_queue (void);
-static GdkEvent* gdk_event_unqueue (void);
-
-static gboolean gdk_event_prepare (gpointer source_data,
- GTimeVal *current_time,
- gint *timeout);
-static gboolean gdk_event_check (gpointer source_data,
- GTimeVal *current_time);
-static gboolean gdk_event_dispatch (gpointer source_data,
- GTimeVal *current_time,
- gpointer user_data);
-
-static void gdk_synthesize_click (GdkEvent *event,
- gint nclicks);
-
GdkFilterReturn gdk_wm_protocols_filter (GdkXEvent *xev,
GdkEvent *event,
gpointer data);
/* Private variable declarations
*/
-static int connection_number = 0; /* The file descriptor number of our
- * connection to the X server. This
- * is used so that we may determine
- * when events are pending by using
- * the "select" system call.
- */
-static guint32 button_click_time[2]; /* The last 2 button click times. Used
- * to determine if the latest button click
- * is part of a double or triple click.
+static guint32 button_click_time[2] = { 0, 0}; /* The last 2 button click times. Used
+ * to determine if the latest button click
+ * is part of a double or triple click.
+ */
+static GdkWindow *button_window[2] = { NULL, NULL}; /* The last 2 windows to receive button presses.
+ * Also used to determine if the latest button
+ * click is part of a double or triple click.
*/
-static GdkWindow *button_window[2]; /* The last 2 windows to receive button presses.
- * Also used to determine if the latest button
- * click is part of a double or triple click.
+static guint button_number[2] = { -1, -1 }; /* The last 2 buttons to be pressed.
*/
-static guint button_number[2]; /* The last 2 buttons to be pressed.
- */
-static GdkEventFunc event_func = NULL; /* Callback for events */
-static gpointer event_data = NULL;
-static GDestroyNotify event_notify = NULL;
-
-static GList *client_filters; /* Filters for client messages */
-
-/* FIFO's for event queue, and for events put back using
- * gdk_event_put().
- */
-static GList *queued_events = NULL;
-static GList *queued_tail = NULL;
-
-static GSourceFuncs event_funcs = {
- gdk_event_prepare,
- gdk_event_check,
- gdk_event_dispatch,
- (GDestroyNotify)g_free
-};
+GdkEventFunc gdk_event_func = NULL; /* Callback for events */
+gpointer gdk_event_data = NULL;
+GDestroyNotify gdk_event_notify = NULL;
GPollFD event_poll_fd;
* Pointer to the list node for that event, or NULL
*************************************************************/
-static GList*
+GList*
gdk_event_queue_find_first (void)
{
- GList *tmp_list = queued_events;
+ GList *tmp_list = gdk_queued_events;
while (tmp_list)
{
* results:
*************************************************************/
-static void
+void
gdk_event_queue_remove_link (GList *node)
{
if (node->prev)
node->prev->next = node->next;
else
- queued_events = node->next;
+ gdk_queued_events = node->next;
if (node->next)
node->next->prev = node->prev;
else
- queued_tail = node->prev;
-
+ gdk_queued_tail = node->prev;
}
/*************************************************************
* results:
*************************************************************/
-static void
+void
gdk_event_queue_append (GdkEvent *event)
{
- queued_tail = g_list_append (queued_tail, event);
-
- if (!queued_events)
- queued_events = queued_tail;
- else
- queued_tail = queued_tail->next;
-}
-
-void
-gdk_events_init (void)
-{
- connection_number = ConnectionNumber (gdk_display);
- GDK_NOTE (MISC,
- g_message ("connection number: %d", connection_number));
-
- g_source_add (GDK_PRIORITY_EVENTS, TRUE, &event_funcs, NULL, NULL, NULL);
-
- event_poll_fd.fd = connection_number;
- event_poll_fd.events = G_IO_IN;
-
- g_main_add_poll (&event_poll_fd, GDK_PRIORITY_EVENTS);
-
- button_click_time[0] = 0;
- button_click_time[1] = 0;
- button_window[0] = NULL;
- button_window[1] = NULL;
- button_number[0] = -1;
- button_number[1] = -1;
-
- gdk_add_client_message_filter (gdk_wm_protocols,
- gdk_wm_protocols_filter, NULL);
-}
-
-/*
- *--------------------------------------------------------------
- * gdk_events_pending
- *
- * Returns if events are pending on the queue.
- *
- * Arguments:
- *
- * Results:
- * Returns TRUE if events are pending
- *
- * Side effects:
- *
- *--------------------------------------------------------------
- */
-
-gboolean
-gdk_events_pending (void)
-{
- return (gdk_event_queue_find_first() || XPending (gdk_display));
-}
-
-/*
- *--------------------------------------------------------------
- * gdk_event_get_graphics_expose
- *
- * Waits for a GraphicsExpose or NoExpose event
- *
- * Arguments:
- *
- * Results:
- * For GraphicsExpose events, returns a pointer to the event
- * converted into a GdkEvent Otherwise, returns NULL.
- *
- * Side effects:
- *
- *-------------------------------------------------------------- */
-
-static Bool
-graphics_expose_predicate (Display *display,
- XEvent *xevent,
- XPointer arg)
-{
- GdkWindowPrivate *private = (GdkWindowPrivate*) arg;
-
- g_return_val_if_fail (private != NULL, False);
-
- if (xevent->xany.window == private->xwindow &&
- (xevent->xany.type == GraphicsExpose ||
- xevent->xany.type == NoExpose))
- return True;
- else
- return False;
-}
-
-GdkEvent*
-gdk_event_get_graphics_expose (GdkWindow *window)
-{
- XEvent xevent;
- GdkEvent *event;
-
- g_return_val_if_fail (window != NULL, NULL);
+ gdk_queued_tail = g_list_append (gdk_queued_tail, event);
- XIfEvent (gdk_display, &xevent, graphics_expose_predicate, (XPointer) window);
-
- if (xevent.xany.type == GraphicsExpose)
- {
- event = gdk_event_new ();
-
- if (gdk_event_translate (event, &xevent))
- return event;
- else
- gdk_event_free (event);
- }
-
- return NULL;
-}
-
-/************************
- * Exposure compression *
- ************************/
-
-/*
- * The following implements simple exposure compression. It is
- * modelled after the way Xt does exposure compression - in
- * particular compress_expose = XtExposeCompressMultiple.
- * It compress consecutive sequences of exposure events,
- * but not sequences that cross other events. (This is because
- * if it crosses a ConfigureNotify, we could screw up and
- * mistakenly compress the exposures generated for the new
- * size - could we just check for ConfigureNotify?)
- *
- * Xt compresses to a region / bounding rectangle, we compress
- * to two rectangles, and try find the two rectangles of minimal
- * area for this - this is supposed to handle the typical
- * L-shaped regions generated by OpaqueMove.
- */
-
-/* Given three rectangles, find the two rectangles that cover
- * them with the smallest area.
- */
-static void
-gdk_add_rect_to_rects (GdkRectangle *rect1,
- GdkRectangle *rect2,
- GdkRectangle *new_rect)
-{
- GdkRectangle t1, t2, t3;
- gint size1, size2, size3;
-
- gdk_rectangle_union (rect1, rect2, &t1);
- gdk_rectangle_union (rect1, new_rect, &t2);
- gdk_rectangle_union (rect2, new_rect, &t3);
-
- size1 = t1.width * t1.height + new_rect->width * new_rect->height;
- size2 = t2.width * t2.height + rect2->width * rect2->height;
- size3 = t1.width * t1.height + rect1->width * rect1->height;
-
- if (size1 < size2)
- {
- if (size1 < size3)
- {
- *rect1 = t1;
- *rect2 = *new_rect;
- }
- else
- *rect2 = t3;
- }
- else
- {
- if (size2 < size3)
- *rect1 = t2;
- else
- *rect2 = t3;
- }
-}
-
-typedef struct _GdkExposeInfo GdkExposeInfo;
-
-struct _GdkExposeInfo
-{
- Window window;
- gboolean seen_nonmatching;
-};
-
-static Bool
-expose_predicate (Display *display,
- XEvent *xevent,
- XPointer arg)
-{
- GdkExposeInfo *info = (GdkExposeInfo*) arg;
-
- /* Compressing across GravityNotify events is safe, because
- * we completely ignore them, so they can't change what
- * we are going to draw. Compressing across GravityNotify
- * events is necessay because during window-unshading animation
- * we'll get a whole bunch of them interspersed with
- * expose events.
- */
- if (xevent->xany.type != Expose &&
- xevent->xany.type != GravityNotify)
- {
- info->seen_nonmatching = TRUE;
- }
-
- if (info->seen_nonmatching ||
- xevent->xany.type != Expose ||
- xevent->xany.window != info->window)
- return FALSE;
+ if (!gdk_queued_events)
+ gdk_queued_events = gdk_queued_tail;
else
- return TRUE;
-}
-
-void
-gdk_compress_exposures (XEvent *xevent,
- GdkWindow *window)
-{
- gint nrects = 1;
- gint count = 0;
- GdkRectangle rect1;
- GdkRectangle rect2;
- GdkRectangle tmp_rect;
- XEvent tmp_event;
- GdkFilterReturn result;
- GdkExposeInfo info;
- GdkEvent event;
-
- info.window = xevent->xany.window;
- info.seen_nonmatching = FALSE;
-
- rect1.x = xevent->xexpose.x;
- rect1.y = xevent->xexpose.y;
- rect1.width = xevent->xexpose.width;
- rect1.height = xevent->xexpose.height;
-
- while (1)
- {
- if (count == 0)
- {
- if (!XCheckIfEvent (gdk_display,
- &tmp_event,
- expose_predicate,
- (XPointer)&info))
- break;
- }
- else
- XIfEvent (gdk_display,
- &tmp_event,
- expose_predicate,
- (XPointer)&info);
-
- /* We apply filters here, and if it was filtered, completely
- * ignore the return
- */
- result = gdk_event_apply_filters (xevent, &event,
- window ?
- ((GdkWindowPrivate *)window)->filters
- : gdk_default_filters);
-
- if (result != GDK_FILTER_CONTINUE)
- {
- if (result == GDK_FILTER_TRANSLATE)
- gdk_event_put (&event);
- continue;
- }
-
- if (nrects == 1)
- {
- rect2.x = tmp_event.xexpose.x;
- rect2.y = tmp_event.xexpose.y;
- rect2.width = tmp_event.xexpose.width;
- rect2.height = tmp_event.xexpose.height;
-
- nrects++;
- }
- else
- {
- tmp_rect.x = tmp_event.xexpose.x;
- tmp_rect.y = tmp_event.xexpose.y;
- tmp_rect.width = tmp_event.xexpose.width;
- tmp_rect.height = tmp_event.xexpose.height;
-
- gdk_add_rect_to_rects (&rect1, &rect2, &tmp_rect);
- }
-
- count = tmp_event.xexpose.count;
- }
-
- if (nrects == 2)
- {
- gdk_rectangle_union (&rect1, &rect2, &tmp_rect);
-
- if ((tmp_rect.width * tmp_rect.height) <
- 2 * (rect1.height * rect1.width +
- rect2.height * rect2.width))
- {
- rect1 = tmp_rect;
- nrects = 1;
- }
- }
-
- if (nrects == 2)
- {
- event.expose.type = GDK_EXPOSE;
- event.expose.window = window;
- event.expose.area.x = rect2.x;
- event.expose.area.y = rect2.y;
- event.expose.area.width = rect2.width;
- event.expose.area.height = rect2.height;
- event.expose.count = 0;
-
- gdk_event_put (&event);
- }
-
- xevent->xexpose.count = nrects - 1;
- xevent->xexpose.x = rect1.x;
- xevent->xexpose.y = rect1.y;
- xevent->xexpose.width = rect1.width;
- xevent->xexpose.height = rect1.height;
+ gdk_queued_tail = gdk_queued_tail->next;
}
/*************************************************************
gpointer data,
GDestroyNotify notify)
{
- if (event_notify)
- (*event_notify) (event_data);
+ if (gdk_event_notify)
+ (*gdk_event_notify) (gdk_event_data);
- event_func = func;
- event_data = data;
- event_notify = notify;
+ gdk_event_func = func;
+ gdk_event_data = data;
+ gdk_event_notify = notify;
}
/*
static GMemChunk *event_chunk = NULL;
-static GdkEvent*
+GdkEvent*
gdk_event_new (void)
{
GdkEventPrivate *new_event;
case GDK_DROP_FINISHED:
gdk_drag_context_unref (event->dnd.context);
break;
+
+ case GDK_BUTTON_PRESS:
+ case GDK_BUTTON_RELEASE:
+ if (event->button.axes)
+ g_free (event->button.axes);
+ break;
+
+ case GDK_MOTION_NOTIFY:
+ if (event->motion.axes)
+ g_free (event->motion.axes);
+ break;
default:
break;
case GDK_2BUTTON_PRESS:
case GDK_3BUTTON_PRESS:
case GDK_BUTTON_RELEASE:
+ case GDK_SCROLL:
return event->button.time;
case GDK_KEY_PRESS:
case GDK_KEY_RELEASE:
return GDK_CURRENT_TIME;
}
+/**
+ * gdk_event_get_axis:
+ * @event: a #GdkEvent
+ * @axis_use: the axis use to look for
+ * @value: location to store the value found
+ *
+ * Extract the axis value for a particular axis use from
+ * an event structure.
+ *
+ * Return value: %TRUE if the specified axis was found, otherwise %FALSE
+ **/
+gboolean
+gdk_event_get_axis (GdkEvent *event,
+ GdkAxisUse axis_use,
+ gdouble *value)
+{
+ gdouble *axes;
+ GdkDevice *device;
+
+ g_return_val_if_fail (event != NULL, FALSE);
+
+ if (axis_use == GDK_AXIS_X || axis_use == GDK_AXIS_Y)
+ {
+ gdouble x, y;
+
+ switch (event->type)
+ {
+ case GDK_MOTION_NOTIFY:
+ x = event->motion.x;
+ y = event->motion.y;
+ break;
+ case GDK_SCROLL:
+ x = event->scroll.x;
+ y = event->scroll.y;
+ break;
+ case GDK_BUTTON_PRESS:
+ case GDK_BUTTON_RELEASE:
+ x = event->button.x;
+ y = event->button.y;
+ break;
+ case GDK_ENTER_NOTIFY:
+ case GDK_LEAVE_NOTIFY:
+ x = event->crossing.x;
+ y = event->crossing.y;
+ break;
+
+ default:
+ return FALSE;
+ }
+
+ if (axis_use == GDK_AXIS_X && value)
+ *value = x;
+ if (axis_use == GDK_AXIS_Y && value)
+ *value = y;
+
+ return TRUE;
+ }
+ else if (event->type == GDK_BUTTON_PRESS ||
+ event->type == GDK_BUTTON_RELEASE)
+ {
+ device = event->button.device;
+ axes = event->button.axes;
+ }
+ else if (event->type == GDK_MOTION_NOTIFY)
+ {
+ device = event->motion.device;
+ axes = event->motion.axes;
+ }
+ else
+ return FALSE;
+
+ return gdk_device_get_axis (device, axes, axis_use, value);
+}
+
/*
*--------------------------------------------------------------
* gdk_set_show_events
*/
void
-gdk_set_show_events (gint show_events)
+gdk_set_show_events (gboolean show_events)
{
if (show_events)
gdk_debug_flags |= GDK_DEBUG_EVENTS;
gdk_debug_flags &= ~GDK_DEBUG_EVENTS;
}
-gint
+gboolean
gdk_get_show_events (void)
{
- return gdk_debug_flags & GDK_DEBUG_EVENTS;
+ return (gdk_debug_flags & GDK_DEBUG_EVENTS) != 0;
}
static void
g_free (closure);
}
+/* What do we do with G_IO_NVAL?
+ */
+#define READ_CONDITION (G_IO_IN | G_IO_HUP | G_IO_ERR)
+#define WRITE_CONDITION (G_IO_OUT | G_IO_ERR)
+#define EXCEPTION_CONDITION (G_IO_PRI)
+
static gboolean
gdk_io_invoke (GIOChannel *source,
GIOCondition condition,
GdkIOClosure *closure = data;
GdkInputCondition gdk_cond = 0;
- if (condition & (G_IO_IN | G_IO_PRI))
+ if (condition & READ_CONDITION)
gdk_cond |= GDK_INPUT_READ;
- if (condition & G_IO_OUT)
+ if (condition & WRITE_CONDITION)
gdk_cond |= GDK_INPUT_WRITE;
- if (condition & (G_IO_ERR | G_IO_HUP | G_IO_NVAL))
+ if (condition & EXCEPTION_CONDITION)
gdk_cond |= GDK_INPUT_EXCEPTION;
if (closure->condition & gdk_cond)
closure->data = data;
if (condition & GDK_INPUT_READ)
- cond |= (G_IO_IN | G_IO_PRI);
+ cond |= READ_CONDITION;
if (condition & GDK_INPUT_WRITE)
- cond |= G_IO_OUT;
+ cond |= WRITE_CONDITION;
if (condition & GDK_INPUT_EXCEPTION)
- cond |= G_IO_ERR|G_IO_HUP|G_IO_NVAL;
+ cond |= EXCEPTION_CONDITION;
channel = g_io_channel_unix_new (source);
result = g_io_add_watch_full (channel, G_PRIORITY_DEFAULT, cond,
g_source_remove (tag);
}
-static gint
-gdk_event_apply_filters (XEvent *xevent,
- GdkEvent *event,
- GList *filters)
+GdkEvent*
+gdk_event_unqueue (void)
{
- GdkEventFilter *filter;
+ GdkEvent *event = NULL;
GList *tmp_list;
- GdkFilterReturn result;
-
- tmp_list = filters;
-
- while (tmp_list)
+
+ tmp_list = gdk_event_queue_find_first ();
+
+ if (tmp_list)
{
- filter = (GdkEventFilter*) tmp_list->data;
-
- result = (*filter->function) (xevent, event, filter->data);
- if (result != GDK_FILTER_CONTINUE)
- return result;
-
- tmp_list = tmp_list->next;
+ event = tmp_list->data;
+ gdk_event_queue_remove_link (tmp_list);
+ g_list_free_1 (tmp_list);
}
-
- return GDK_FILTER_CONTINUE;
-}
-
-void
-gdk_add_client_message_filter (GdkAtom message_type,
- GdkFilterFunc func,
- gpointer data)
-{
- GdkClientFilter *filter = g_new (GdkClientFilter, 1);
- filter->type = message_type;
- filter->function = func;
- filter->data = data;
-
- client_filters = g_list_prepend (client_filters, filter);
+ return event;
}
-static gint
-gdk_event_translate (GdkEvent *event,
- XEvent *xevent)
+void
+gdk_synthesize_click (GdkEvent *event,
+ gint nclicks)
{
+ GdkEvent temp_event;
- GdkWindow *window;
- GdkWindowPrivate *window_private;
- static XComposeStatus compose;
- KeySym keysym;
- int charcount;
-#ifdef USE_XIM
- static gchar* buf = NULL;
- static gint buf_len= 0;
-#else
- char buf[16];
-#endif
- gint return_val;
-
- return_val = FALSE;
+ g_return_if_fail (event != NULL);
- /* Find the GdkWindow that this event occurred in.
- *
- * We handle events with window=None
- * specially - they are generated by XFree86's XInput under
- * some circumstances.
- */
+ temp_event = *event;
+ temp_event.type = (nclicks == 2) ? GDK_2BUTTON_PRESS : GDK_3BUTTON_PRESS;
- if ((xevent->xany.window == None) &&
- gdk_input_vtable.window_none_event)
+ gdk_event_put (&temp_event);
+}
+
+void
+gdk_event_button_generate (GdkEvent *event)
+{
+ if ((event->button.time < (button_click_time[1] + TRIPLE_CLICK_TIME)) &&
+ (event->button.window == button_window[1]) &&
+ (event->button.button == button_number[1]))
{
- return_val = gdk_input_vtable.window_none_event (event,xevent);
-
- if (return_val >= 0) /* was handled */
- return return_val;
- else
- return_val = FALSE;
+ gdk_synthesize_click (event, 3);
+
+ button_click_time[1] = 0;
+ button_click_time[0] = 0;
+ button_window[1] = NULL;
+ button_window[0] = 0;
+ button_number[1] = -1;
+ button_number[0] = -1;
}
-
- window = gdk_window_lookup (xevent->xany.window);
- window_private = (GdkWindowPrivate *) window;
-
- if (window != NULL)
- gdk_window_ref (window);
-
- event->any.window = window;
- event->any.send_event = xevent->xany.send_event;
-
- if (window_private && window_private->destroyed)
+ else if ((event->button.time < (button_click_time[0] + DOUBLE_CLICK_TIME)) &&
+ (event->button.window == button_window[0]) &&
+ (event->button.button == button_number[0]))
{
- if (xevent->type != DestroyNotify)
- return FALSE;
+ gdk_synthesize_click (event, 2);
+
+ button_click_time[1] = button_click_time[0];
+ button_click_time[0] = event->button.time;
+ button_window[1] = button_window[0];
+ button_window[0] = event->button.window;
+ button_number[1] = button_number[0];
+ button_number[0] = event->button.button;
}
else
{
- /* Check for filters for this window
- */
- GdkFilterReturn result;
- result = gdk_event_apply_filters (xevent, event,
- window_private
- ?window_private->filters
- :gdk_default_filters);
-
- if (result != GDK_FILTER_CONTINUE)
- {
- return (result == GDK_FILTER_TRANSLATE) ? TRUE : FALSE;
- }
- }
-
-#ifdef USE_XIM
- if (window == NULL && gdk_xim_window && xevent->type == KeyPress &&
- !((GdkWindowPrivate *) gdk_xim_window)->destroyed)
- {
- /*
- * If user presses a key in Preedit or Status window, keypress event
- * is sometimes sent to these windows. These windows are not managed
- * by GDK, so we redirect KeyPress event to xim_window.
- *
- * If someone want to use the window whitch is not managed by GDK
- * and want to get KeyPress event, he/she must register the filter
- * function to gdk_default_filters to intercept the event.
- */
-
- GdkFilterReturn result;
-
- window = gdk_xim_window;
- window_private = (GdkWindowPrivate *) window;
- gdk_window_ref (window);
- event->any.window = window;
-
- GDK_NOTE (XIM,
- g_message ("KeyPress event is redirected to xim_window: %#lx",
- xevent->xany.window));
-
- result = gdk_event_apply_filters (xevent, event,
- window_private->filters);
- if (result != GDK_FILTER_CONTINUE)
- return (result == GDK_FILTER_TRANSLATE) ? TRUE : FALSE;
+ button_click_time[1] = 0;
+ button_click_time[0] = event->button.time;
+ button_window[1] = NULL;
+ button_window[0] = event->button.window;
+ button_number[1] = -1;
+ button_number[0] = event->button.button;
}
-#endif
-
- if (window == NULL)
- g_message ("Got event for unknown window: %#lx\n", xevent->xany.window);
-
- /* We do a "manual" conversion of the XEvent to a
- * GdkEvent. The structures are mostly the same so
- * the conversion is fairly straightforward. We also
- * optionally print debugging info regarding events
- * received.
- */
-
- return_val = TRUE;
-
- switch (xevent->type)
- {
- case KeyPress:
- /* Lookup the string corresponding to the given keysym.
- */
-
-#ifdef USE_XIM
- if (buf_len == 0)
- {
- buf_len = 128;
- buf = g_new (gchar, buf_len);
- }
- keysym = GDK_VoidSymbol;
-
- if (gdk_xim_ic && gdk_xim_ic->xic)
- {
- Status status;
-
- /* Clear keyval. Depending on status, may not be set */
- charcount = XmbLookupString(gdk_xim_ic->xic,
- &xevent->xkey, buf, buf_len-1,
- &keysym, &status);
- if (status == XBufferOverflow)
- { /* retry */
- /* alloc adequate size of buffer */
- GDK_NOTE (XIM,
- g_message("XIM: overflow (required %i)", charcount));
-
- while (buf_len <= charcount)
- buf_len *= 2;
- buf = (gchar *) g_realloc (buf, buf_len);
-
- charcount = XmbLookupString (gdk_xim_ic->xic,
- &xevent->xkey, buf, buf_len-1,
- &keysym, &status);
- }
- if (status == XLookupNone)
- {
- return_val = FALSE;
- break;
- }
- }
- else
- charcount = XLookupString (&xevent->xkey, buf, buf_len,
- &keysym, &compose);
-#else
- charcount = XLookupString (&xevent->xkey, buf, 16,
- &keysym, &compose);
-#endif
- event->key.keyval = keysym;
-
- if (charcount > 0 && buf[charcount-1] == '\0')
- charcount --;
- else
- buf[charcount] = '\0';
-
- /* Print debugging info. */
-
-#ifdef G_ENABLE_DEBUG
- if (gdk_debug_flags & GDK_DEBUG_EVENTS)
- {
- g_message ("key press:\twindow: %ld key: %12s %d",
- xevent->xkey.window,
- event->key.keyval ? XKeysymToString (event->key.keyval) : "(none)",
- event->key.keyval);
- if (charcount > 0)
- g_message ("\t\tlength: %4d string: \"%s\"",
- charcount, buf);
- }
-#endif /* G_ENABLE_DEBUG */
-
- event->key.type = GDK_KEY_PRESS;
- event->key.window = window;
- event->key.time = xevent->xkey.time;
- event->key.state = (GdkModifierType) xevent->xkey.state;
- event->key.string = g_strdup (buf);
- event->key.length = charcount;
-
- break;
-
- case KeyRelease:
- /* Lookup the string corresponding to the given keysym.
- */
-#ifdef USE_XIM
- if (buf_len == 0)
- {
- buf_len = 128;
- buf = g_new (gchar, buf_len);
- }
-#endif
- keysym = GDK_VoidSymbol;
- charcount = XLookupString (&xevent->xkey, buf, 16,
- &keysym, &compose);
- event->key.keyval = keysym;
-
- /* Print debugging info.
- */
- GDK_NOTE (EVENTS,
- g_message ("key release:\t\twindow: %ld key: %12s %d",
- xevent->xkey.window,
- XKeysymToString (event->key.keyval),
- event->key.keyval));
-
- event->key.type = GDK_KEY_RELEASE;
- event->key.window = window;
- event->key.time = xevent->xkey.time;
- event->key.state = (GdkModifierType) xevent->xkey.state;
- event->key.length = 0;
- event->key.string = NULL;
-
- break;
-
- case ButtonPress:
- /* Print debugging info.
- */
- GDK_NOTE (EVENTS,
- g_message ("button press:\t\twindow: %ld x,y: %d %d button: %d",
- xevent->xbutton.window,
- xevent->xbutton.x, xevent->xbutton.y,
- xevent->xbutton.button));
-
- if (window_private &&
- (window_private->extension_events != 0) &&
- gdk_input_ignore_core)
- {
- return_val = FALSE;
- break;
- }
-
- event->button.type = GDK_BUTTON_PRESS;
- event->button.window = window;
- event->button.time = xevent->xbutton.time;
- event->button.x = xevent->xbutton.x;
- event->button.y = xevent->xbutton.y;
- event->button.x_root = (gfloat)xevent->xbutton.x_root;
- event->button.y_root = (gfloat)xevent->xbutton.y_root;
- event->button.pressure = 0.5;
- event->button.xtilt = 0;
- event->button.ytilt = 0;
- event->button.state = (GdkModifierType) xevent->xbutton.state;
- event->button.button = xevent->xbutton.button;
- event->button.source = GDK_SOURCE_MOUSE;
- event->button.deviceid = GDK_CORE_POINTER;
-
- if ((event->button.time < (button_click_time[1] + TRIPLE_CLICK_TIME)) &&
- (event->button.window == button_window[1]) &&
- (event->button.button == button_number[1]))
- {
- gdk_synthesize_click (event, 3);
-
- button_click_time[1] = 0;
- button_click_time[0] = 0;
- button_window[1] = NULL;
- button_window[0] = 0;
- button_number[1] = -1;
- button_number[0] = -1;
- }
- else if ((event->button.time < (button_click_time[0] + DOUBLE_CLICK_TIME)) &&
- (event->button.window == button_window[0]) &&
- (event->button.button == button_number[0]))
- {
- gdk_synthesize_click (event, 2);
-
- button_click_time[1] = button_click_time[0];
- button_click_time[0] = event->button.time;
- button_window[1] = button_window[0];
- button_window[0] = event->button.window;
- button_number[1] = button_number[0];
- button_number[0] = event->button.button;
- }
- else
- {
- button_click_time[1] = 0;
- button_click_time[0] = event->button.time;
- button_window[1] = NULL;
- button_window[0] = event->button.window;
- button_number[1] = -1;
- button_number[0] = event->button.button;
- }
-
- break;
-
- case ButtonRelease:
- /* Print debugging info.
- */
- GDK_NOTE (EVENTS,
- g_message ("button release:\twindow: %ld x,y: %d %d button: %d",
- xevent->xbutton.window,
- xevent->xbutton.x, xevent->xbutton.y,
- xevent->xbutton.button));
-
- if (window_private &&
- (window_private->extension_events != 0) &&
- gdk_input_ignore_core)
- {
- return_val = FALSE;
- break;
- }
-
- event->button.type = GDK_BUTTON_RELEASE;
- event->button.window = window;
- event->button.time = xevent->xbutton.time;
- event->button.x = xevent->xbutton.x;
- event->button.y = xevent->xbutton.y;
- event->button.x_root = (gfloat)xevent->xbutton.x_root;
- event->button.y_root = (gfloat)xevent->xbutton.y_root;
- event->button.pressure = 0.5;
- event->button.xtilt = 0;
- event->button.ytilt = 0;
- event->button.state = (GdkModifierType) xevent->xbutton.state;
- event->button.button = xevent->xbutton.button;
- event->button.source = GDK_SOURCE_MOUSE;
- event->button.deviceid = GDK_CORE_POINTER;
-
- break;
-
- case MotionNotify:
- /* Print debugging info.
- */
- GDK_NOTE (EVENTS,
- g_message ("motion notify:\t\twindow: %ld x,y: %d %d hint: %s",
- xevent->xmotion.window,
- xevent->xmotion.x, xevent->xmotion.y,
- (xevent->xmotion.is_hint) ? "true" : "false"));
-
- if (window_private &&
- (window_private->extension_events != 0) &&
- gdk_input_ignore_core)
- {
- return_val = FALSE;
- break;
- }
-
- event->motion.type = GDK_MOTION_NOTIFY;
- event->motion.window = window;
- event->motion.time = xevent->xmotion.time;
- event->motion.x = xevent->xmotion.x;
- event->motion.y = xevent->xmotion.y;
- event->motion.x_root = (gfloat)xevent->xmotion.x_root;
- event->motion.y_root = (gfloat)xevent->xmotion.y_root;
- event->motion.pressure = 0.5;
- event->motion.xtilt = 0;
- event->motion.ytilt = 0;
- event->motion.state = (GdkModifierType) xevent->xmotion.state;
- event->motion.is_hint = xevent->xmotion.is_hint;
- event->motion.source = GDK_SOURCE_MOUSE;
- event->motion.deviceid = GDK_CORE_POINTER;
-
- break;
-
- case EnterNotify:
- /* Print debugging info.
- */
- GDK_NOTE (EVENTS,
- g_message ("enter notify:\t\twindow: %ld detail: %d subwin: %ld",
- xevent->xcrossing.window,
- xevent->xcrossing.detail,
- xevent->xcrossing.subwindow));
-
- /* Tell XInput stuff about it if appropriate */
- if (window_private &&
- !window_private->destroyed &&
- (window_private->extension_events != 0) &&
- gdk_input_vtable.enter_event)
- gdk_input_vtable.enter_event (&xevent->xcrossing, window);
-
- event->crossing.type = GDK_ENTER_NOTIFY;
- event->crossing.window = window;
-
- /* If the subwindow field of the XEvent is non-NULL, then
- * lookup the corresponding GdkWindow.
- */
- if (xevent->xcrossing.subwindow != None)
- event->crossing.subwindow = gdk_window_lookup (xevent->xcrossing.subwindow);
- else
- event->crossing.subwindow = NULL;
-
- event->crossing.time = xevent->xcrossing.time;
- event->crossing.x = xevent->xcrossing.x;
- event->crossing.y = xevent->xcrossing.y;
- event->crossing.x_root = xevent->xcrossing.x_root;
- event->crossing.y_root = xevent->xcrossing.y_root;
-
- /* Translate the crossing mode into Gdk terms.
- */
- switch (xevent->xcrossing.mode)
- {
- case NotifyNormal:
- event->crossing.mode = GDK_CROSSING_NORMAL;
- break;
- case NotifyGrab:
- event->crossing.mode = GDK_CROSSING_GRAB;
- break;
- case NotifyUngrab:
- event->crossing.mode = GDK_CROSSING_UNGRAB;
- break;
- };
-
- /* Translate the crossing detail into Gdk terms.
- */
- switch (xevent->xcrossing.detail)
- {
- case NotifyInferior:
- event->crossing.detail = GDK_NOTIFY_INFERIOR;
- break;
- case NotifyAncestor:
- event->crossing.detail = GDK_NOTIFY_ANCESTOR;
- break;
- case NotifyVirtual:
- event->crossing.detail = GDK_NOTIFY_VIRTUAL;
- break;
- case NotifyNonlinear:
- event->crossing.detail = GDK_NOTIFY_NONLINEAR;
- break;
- case NotifyNonlinearVirtual:
- event->crossing.detail = GDK_NOTIFY_NONLINEAR_VIRTUAL;
- break;
- default:
- event->crossing.detail = GDK_NOTIFY_UNKNOWN;
- break;
- }
-
- event->crossing.focus = xevent->xcrossing.focus;
- event->crossing.state = xevent->xcrossing.state;
-
- break;
-
- case LeaveNotify:
- /* Print debugging info.
- */
- GDK_NOTE (EVENTS,
- g_message ("leave notify:\t\twindow: %ld detail: %d subwin: %ld",
- xevent->xcrossing.window,
- xevent->xcrossing.detail, xevent->xcrossing.subwindow));
-
- event->crossing.type = GDK_LEAVE_NOTIFY;
- event->crossing.window = window;
-
- /* If the subwindow field of the XEvent is non-NULL, then
- * lookup the corresponding GdkWindow.
- */
- if (xevent->xcrossing.subwindow != None)
- event->crossing.subwindow = gdk_window_lookup (xevent->xcrossing.subwindow);
- else
- event->crossing.subwindow = NULL;
-
- event->crossing.time = xevent->xcrossing.time;
- event->crossing.x = xevent->xcrossing.x;
- event->crossing.y = xevent->xcrossing.y;
- event->crossing.x_root = xevent->xcrossing.x_root;
- event->crossing.y_root = xevent->xcrossing.y_root;
-
- /* Translate the crossing mode into Gdk terms.
- */
- switch (xevent->xcrossing.mode)
- {
- case NotifyNormal:
- event->crossing.mode = GDK_CROSSING_NORMAL;
- break;
- case NotifyGrab:
- event->crossing.mode = GDK_CROSSING_GRAB;
- break;
- case NotifyUngrab:
- event->crossing.mode = GDK_CROSSING_UNGRAB;
- break;
- };
-
- /* Translate the crossing detail into Gdk terms.
- */
- switch (xevent->xcrossing.detail)
- {
- case NotifyInferior:
- event->crossing.detail = GDK_NOTIFY_INFERIOR;
- break;
- case NotifyAncestor:
- event->crossing.detail = GDK_NOTIFY_ANCESTOR;
- break;
- case NotifyVirtual:
- event->crossing.detail = GDK_NOTIFY_VIRTUAL;
- break;
- case NotifyNonlinear:
- event->crossing.detail = GDK_NOTIFY_NONLINEAR;
- break;
- case NotifyNonlinearVirtual:
- event->crossing.detail = GDK_NOTIFY_NONLINEAR_VIRTUAL;
- break;
- default:
- event->crossing.detail = GDK_NOTIFY_UNKNOWN;
- break;
- }
-
- event->crossing.focus = xevent->xcrossing.focus;
- event->crossing.state = xevent->xcrossing.state;
-
- break;
-
- case FocusIn:
- case FocusOut:
- /* We only care about focus events that indicate that _this_
- * window (not a ancestor or child) got or lost the focus
- */
- switch (xevent->xfocus.detail)
- {
- case NotifyAncestor:
- case NotifyInferior:
- case NotifyNonlinear:
- /* Print debugging info.
- */
- GDK_NOTE (EVENTS,
- g_message ("focus %s:\t\twindow: %ld",
- (xevent->xany.type == FocusIn) ? "in" : "out",
- xevent->xfocus.window));
-
- /* gdk_keyboard_grab() causes following events. These events confuse
- * the XIM focus, so ignore them.
- */
- if (xevent->xfocus.mode == NotifyGrab ||
- xevent->xfocus.mode == NotifyUngrab)
- break;
-
- event->focus_change.type = GDK_FOCUS_CHANGE;
- event->focus_change.window = window;
- event->focus_change.in = (xevent->xany.type == FocusIn);
-
- break;
- default:
- return_val = FALSE;
- }
- break;
-
- case KeymapNotify:
- /* Print debugging info.
- */
- GDK_NOTE (EVENTS,
- g_message ("keymap notify"));
-
- /* Not currently handled */
- return_val = FALSE;
- break;
-
- case Expose:
- /* Print debugging info.
- */
- GDK_NOTE (EVENTS,
- g_message ("expose:\t\twindow: %ld %d x,y: %d %d w,h: %d %d",
- xevent->xexpose.window, xevent->xexpose.count,
- xevent->xexpose.x, xevent->xexpose.y,
- xevent->xexpose.width, xevent->xexpose.height));
- gdk_compress_exposures (xevent, window);
-
- event->expose.type = GDK_EXPOSE;
- event->expose.window = window;
- event->expose.area.x = xevent->xexpose.x;
- event->expose.area.y = xevent->xexpose.y;
- event->expose.area.width = xevent->xexpose.width;
- event->expose.area.height = xevent->xexpose.height;
- event->expose.count = xevent->xexpose.count;
-
- break;
-
- case GraphicsExpose:
- /* Print debugging info.
- */
- GDK_NOTE (EVENTS,
- g_message ("graphics expose:\tdrawable: %ld",
- xevent->xgraphicsexpose.drawable));
-
- event->expose.type = GDK_EXPOSE;
- event->expose.window = window;
- event->expose.area.x = xevent->xgraphicsexpose.x;
- event->expose.area.y = xevent->xgraphicsexpose.y;
- event->expose.area.width = xevent->xgraphicsexpose.width;
- event->expose.area.height = xevent->xgraphicsexpose.height;
- event->expose.count = xevent->xexpose.count;
-
- break;
-
- case NoExpose:
- /* Print debugging info.
- */
- GDK_NOTE (EVENTS,
- g_message ("no expose:\t\tdrawable: %ld",
- xevent->xnoexpose.drawable));
-
- event->no_expose.type = GDK_NO_EXPOSE;
- event->no_expose.window = window;
-
- break;
-
- case VisibilityNotify:
- /* Print debugging info.
- */
-#ifdef G_ENABLE_DEBUG
- if (gdk_debug_flags & GDK_DEBUG_EVENTS)
- switch (xevent->xvisibility.state)
- {
- case VisibilityFullyObscured:
- g_message ("visibility notify:\twindow: %ld none",
- xevent->xvisibility.window);
- break;
- case VisibilityPartiallyObscured:
- g_message ("visibility notify:\twindow: %ld partial",
- xevent->xvisibility.window);
- break;
- case VisibilityUnobscured:
- g_message ("visibility notify:\twindow: %ld full",
- xevent->xvisibility.window);
- break;
- }
-#endif /* G_ENABLE_DEBUG */
-
- event->visibility.type = GDK_VISIBILITY_NOTIFY;
- event->visibility.window = window;
-
- switch (xevent->xvisibility.state)
- {
- case VisibilityFullyObscured:
- event->visibility.state = GDK_VISIBILITY_FULLY_OBSCURED;
- break;
-
- case VisibilityPartiallyObscured:
- event->visibility.state = GDK_VISIBILITY_PARTIAL;
- break;
-
- case VisibilityUnobscured:
- event->visibility.state = GDK_VISIBILITY_UNOBSCURED;
- break;
- }
-
- break;
-
- case CreateNotify:
- /* Not currently handled */
- break;
-
- case DestroyNotify:
- /* Print debugging info.
- */
- GDK_NOTE (EVENTS,
- g_message ("destroy notify:\twindow: %ld",
- xevent->xdestroywindow.window));
-
- event->any.type = GDK_DESTROY;
- event->any.window = window;
-
- return_val = window_private && !window_private->destroyed;
-
- if(window && window_private->xwindow != GDK_ROOT_WINDOW())
- gdk_window_destroy_notify (window);
- break;
-
- case UnmapNotify:
- /* Print debugging info.
- */
- GDK_NOTE (EVENTS,
- g_message ("unmap notify:\t\twindow: %ld",
- xevent->xmap.window));
-
- event->any.type = GDK_UNMAP;
- event->any.window = window;
-
- if (gdk_xgrab_window == window_private)
- gdk_xgrab_window = NULL;
-
- break;
-
- case MapNotify:
- /* Print debugging info.
- */
- GDK_NOTE (EVENTS,
- g_message ("map notify:\t\twindow: %ld",
- xevent->xmap.window));
-
- event->any.type = GDK_MAP;
- event->any.window = window;
-
- break;
-
- case ReparentNotify:
- /* Print debugging info.
- */
- GDK_NOTE (EVENTS,
- g_message ("reparent notify:\twindow: %ld",
- xevent->xreparent.window));
-
- /* Not currently handled */
- return_val = FALSE;
- break;
-
- case ConfigureNotify:
- /* Print debugging info.
- */
- while ((XPending (gdk_display) > 0) &&
- XCheckTypedWindowEvent(gdk_display, xevent->xany.window,
- ConfigureNotify, xevent))
- {
- GdkFilterReturn result;
-
- GDK_NOTE (EVENTS,
- g_message ("configure notify discarded:\twindow: %ld",
- xevent->xconfigure.window));
-
- result = gdk_event_apply_filters (xevent, event,
- window_private
- ?window_private->filters
- :gdk_default_filters);
-
- /* If the result is GDK_FILTER_REMOVE, there will be
- * trouble, but anybody who filtering the Configure events
- * better know what they are doing
- */
- if (result != GDK_FILTER_CONTINUE)
- {
- return (result == GDK_FILTER_TRANSLATE) ? TRUE : FALSE;
- }
-
- /*XSync (gdk_display, 0);*/
- }
-
-
- GDK_NOTE (EVENTS,
- g_message ("configure notify:\twindow: %ld x,y: %d %d w,h: %d %d b-w: %d above: %ld ovr: %d",
- xevent->xconfigure.window,
- xevent->xconfigure.x,
- xevent->xconfigure.y,
- xevent->xconfigure.width,
- xevent->xconfigure.height,
- xevent->xconfigure.border_width,
- xevent->xconfigure.above,
- xevent->xconfigure.override_redirect));
-
- if (!window_private->destroyed &&
- (window_private->extension_events != 0) &&
- gdk_input_vtable.configure_event)
- gdk_input_vtable.configure_event (&xevent->xconfigure, window);
-
- if (window_private->window_type == GDK_WINDOW_CHILD)
- return_val = FALSE;
- else
- {
- event->configure.type = GDK_CONFIGURE;
- event->configure.window = window;
- event->configure.width = xevent->xconfigure.width;
- event->configure.height = xevent->xconfigure.height;
-
- if (!xevent->xconfigure.x &&
- !xevent->xconfigure.y &&
- !window_private->destroyed)
- {
- gint tx = 0;
- gint ty = 0;
- Window child_window = 0;
-
- if (!XTranslateCoordinates (window_private->xdisplay,
- window_private->xwindow,
- gdk_root_window,
- 0, 0,
- &tx, &ty,
- &child_window))
- g_warning ("GdkWindow %ld doesn't share root windows display?",
- window_private->xwindow);
- event->configure.x = tx;
- event->configure.y = ty;
- }
- else
- {
- event->configure.x = xevent->xconfigure.x;
- event->configure.y = xevent->xconfigure.y;
- }
- window_private->x = event->configure.x;
- window_private->y = event->configure.y;
- window_private->width = xevent->xconfigure.width;
- window_private->height = xevent->xconfigure.height;
- if (window_private->resize_count > 1)
- window_private->resize_count -= 1;
- }
- break;
-
- case PropertyNotify:
- /* Print debugging info.
- */
- GDK_NOTE (EVENTS,
- g_message ("property notify:\twindow: %ld",
- xevent->xproperty.window));
-
- event->property.type = GDK_PROPERTY_NOTIFY;
- event->property.window = window;
- event->property.atom = xevent->xproperty.atom;
- event->property.time = xevent->xproperty.time;
- event->property.state = xevent->xproperty.state;
-
- break;
-
- case SelectionClear:
- GDK_NOTE (EVENTS,
- g_message ("selection clear:\twindow: %ld",
- xevent->xproperty.window));
-
- event->selection.type = GDK_SELECTION_CLEAR;
- event->selection.window = window;
- event->selection.selection = xevent->xselectionclear.selection;
- event->selection.time = xevent->xselectionclear.time;
-
- break;
-
- case SelectionRequest:
- GDK_NOTE (EVENTS,
- g_message ("selection request:\twindow: %ld",
- xevent->xproperty.window));
-
- event->selection.type = GDK_SELECTION_REQUEST;
- event->selection.window = window;
- event->selection.selection = xevent->xselectionrequest.selection;
- event->selection.target = xevent->xselectionrequest.target;
- event->selection.property = xevent->xselectionrequest.property;
- event->selection.requestor = xevent->xselectionrequest.requestor;
- event->selection.time = xevent->xselectionrequest.time;
-
- break;
-
- case SelectionNotify:
- GDK_NOTE (EVENTS,
- g_message ("selection notify:\twindow: %ld",
- xevent->xproperty.window));
-
-
- event->selection.type = GDK_SELECTION_NOTIFY;
- event->selection.window = window;
- event->selection.selection = xevent->xselection.selection;
- event->selection.target = xevent->xselection.target;
- event->selection.property = xevent->xselection.property;
- event->selection.time = xevent->xselection.time;
-
- break;
-
- case ColormapNotify:
- /* Print debugging info.
- */
- GDK_NOTE (EVENTS,
- g_message ("colormap notify:\twindow: %ld",
- xevent->xcolormap.window));
-
- /* Not currently handled */
- return_val = FALSE;
- break;
-
- case ClientMessage:
- {
- GList *tmp_list;
- GdkFilterReturn result = GDK_FILTER_CONTINUE;
-
- /* Print debugging info.
- */
- GDK_NOTE (EVENTS,
- g_message ("client message:\twindow: %ld",
- xevent->xclient.window));
-
- tmp_list = client_filters;
- while (tmp_list)
- {
- GdkClientFilter *filter = tmp_list->data;
- if (filter->type == xevent->xclient.message_type)
- {
- result = (*filter->function) (xevent, event, filter->data);
- break;
- }
-
- tmp_list = tmp_list->next;
- }
-
- switch (result)
- {
- case GDK_FILTER_REMOVE:
- return_val = FALSE;
- break;
- case GDK_FILTER_TRANSLATE:
- return_val = TRUE;
- break;
- case GDK_FILTER_CONTINUE:
- /* Send unknown ClientMessage's on to Gtk for it to use */
- event->client.type = GDK_CLIENT_EVENT;
- event->client.window = window;
- event->client.message_type = xevent->xclient.message_type;
- event->client.data_format = xevent->xclient.format;
- memcpy(&event->client.data, &xevent->xclient.data,
- sizeof(event->client.data));
- }
- }
-
- break;
-
- case MappingNotify:
- /* Print debugging info.
- */
- GDK_NOTE (EVENTS,
- g_message ("mapping notify"));
-
- /* Let XLib know that there is a new keyboard mapping.
- */
- XRefreshKeyboardMapping (&xevent->xmapping);
- return_val = FALSE;
- break;
-
- default:
- /* something else - (e.g., a Xinput event) */
-
- if (window_private &&
- !window_private->destroyed &&
- (window_private->extension_events != 0) &&
- gdk_input_vtable.other_event)
- return_val = gdk_input_vtable.other_event(event, xevent, window);
- else
- return_val = FALSE;
-
- break;
- }
-
- if (return_val)
- {
- if (event->any.window)
- gdk_window_ref (event->any.window);
- if (((event->any.type == GDK_ENTER_NOTIFY) ||
- (event->any.type == GDK_LEAVE_NOTIFY)) &&
- (event->crossing.subwindow != NULL))
- gdk_window_ref (event->crossing.subwindow);
- }
- else
- {
- /* Mark this event as having no resources to be freed */
- event->any.window = NULL;
- event->any.type = GDK_NOTHING;
- }
-
- if (window)
- gdk_window_unref (window);
-
- return return_val;
-}
-
-GdkFilterReturn
-gdk_wm_protocols_filter (GdkXEvent *xev,
- GdkEvent *event,
- gpointer data)
-{
- XEvent *xevent = (XEvent *)xev;
-
- if ((Atom) xevent->xclient.data.l[0] == gdk_wm_delete_window)
- {
- /* The delete window request specifies a window
- * to delete. We don't actually destroy the
- * window because "it is only a request". (The
- * window might contain vital data that the
- * program does not want destroyed). Instead
- * the event is passed along to the program,
- * which should then destroy the window.
- */
- GDK_NOTE (EVENTS,
- g_message ("delete window:\t\twindow: %ld",
- xevent->xclient.window));
-
- event->any.type = GDK_DELETE;
-
- return GDK_FILTER_TRANSLATE;
- }
- else if ((Atom) xevent->xclient.data.l[0] == gdk_wm_take_focus)
- {
- }
-
- return GDK_FILTER_REMOVE;
}
-
-#if 0
-static Bool
-gdk_event_get_type (Display *display,
- XEvent *xevent,
- XPointer arg)
-{
- GdkEvent event;
- GdkPredicate *pred;
-
- if (gdk_event_translate (&event, xevent))
- {
- pred = (GdkPredicate*) arg;
- return (* pred->func) (&event, pred->data);
- }
-
- return FALSE;
-}
-#endif
-
-static void
-gdk_events_queue (void)
-{
- GList *node;
- GdkEvent *event;
- XEvent xevent;
-
- while (!gdk_event_queue_find_first() && XPending (gdk_display))
- {
-#ifdef USE_XIM
- Window w = None;
-
- XNextEvent (gdk_display, &xevent);
- if (gdk_xim_window)
- switch (xevent.type)
- {
- case KeyPress:
- case KeyRelease:
- case ButtonPress:
- case ButtonRelease:
- w = GDK_WINDOW_XWINDOW (gdk_xim_window);
- break;
- }
-
- if (XFilterEvent (&xevent, w))
- continue;
-#else
- XNextEvent (gdk_display, &xevent);
-#endif
-
- event = gdk_event_new ();
-
- event->any.type = GDK_NOTHING;
- event->any.window = NULL;
- event->any.send_event = FALSE;
- event->any.send_event = xevent.xany.send_event;
-
- ((GdkEventPrivate *)event)->flags |= GDK_EVENT_PENDING;
-
- gdk_event_queue_append (event);
- node = queued_tail;
-
- if (gdk_event_translate (event, &xevent))
- {
- ((GdkEventPrivate *)event)->flags &= ~GDK_EVENT_PENDING;
- }
- else
- {
- gdk_event_queue_remove_link (node);
- g_list_free_1 (node);
- gdk_event_free (event);
- }
- }
-}
-
-static gboolean
-gdk_event_prepare (gpointer source_data,
- GTimeVal *current_time,
- gint *timeout)
-{
- gboolean retval;
-
- GDK_THREADS_ENTER ();
-
- *timeout = -1;
-
- retval = (gdk_event_queue_find_first () != NULL) || XPending (gdk_display);
-
- GDK_THREADS_LEAVE ();
-
- return retval;
-}
-
-static gboolean
-gdk_event_check (gpointer source_data,
- GTimeVal *current_time)
-{
- gboolean retval;
-
- GDK_THREADS_ENTER ();
-
- if (event_poll_fd.revents & G_IO_IN)
- retval = (gdk_event_queue_find_first () != NULL) || XPending (gdk_display);
- else
- retval = FALSE;
-
- GDK_THREADS_LEAVE ();
-
- return retval;
-}
-
-static GdkEvent*
-gdk_event_unqueue (void)
-{
- GdkEvent *event = NULL;
- GList *tmp_list;
-
- tmp_list = gdk_event_queue_find_first ();
-
- if (tmp_list)
- {
- event = tmp_list->data;
- gdk_event_queue_remove_link (tmp_list);
- g_list_free_1 (tmp_list);
- }
-
- return event;
-}
-
-static gboolean
-gdk_event_dispatch (gpointer source_data,
- GTimeVal *current_time,
- gpointer user_data)
-{
- GdkEvent *event;
-
- GDK_THREADS_ENTER ();
-
- gdk_events_queue();
- event = gdk_event_unqueue();
-
- if (event)
- {
- if (event_func)
- (*event_func) (event, event_data);
-
- gdk_event_free (event);
- }
-
- GDK_THREADS_LEAVE ();
-
- return TRUE;
-}
-
-static void
-gdk_synthesize_click (GdkEvent *event,
- gint nclicks)
-{
- GdkEvent temp_event;
-
- g_return_if_fail (event != NULL);
-
- temp_event = *event;
- temp_event.type = (nclicks == 2) ? GDK_2BUTTON_PRESS : GDK_3BUTTON_PRESS;
-
- gdk_event_put (&temp_event);
-}
-
-/* Sends a ClientMessage to all toplevel client windows */
-gboolean
-gdk_event_send_client_message (GdkEvent *event, guint32 xid)
-{
- XEvent sev;
-
- g_return_val_if_fail(event != NULL, FALSE);
-
- /* Set up our event to send, with the exception of its target window */
- sev.xclient.type = ClientMessage;
- sev.xclient.display = gdk_display;
- sev.xclient.format = event->client.data_format;
- sev.xclient.window = xid;
- memcpy(&sev.xclient.data, &event->client.data, sizeof(sev.xclient.data));
- sev.xclient.message_type = event->client.message_type;
-
- return gdk_send_xevent (xid, False, NoEventMask, &sev);
-}
-
-/* Sends a ClientMessage to all toplevel client windows */
-gboolean
-gdk_event_send_client_message_to_all_recurse (XEvent *xev,
- guint32 xid,
- guint level)
-{
- static GdkAtom wm_state_atom = GDK_NONE;
-
- Atom type = None;
- int format;
- unsigned long nitems, after;
- unsigned char *data;
-
- Window *ret_children, ret_root, ret_parent;
- unsigned int ret_nchildren;
- int i;
-
- gboolean send = FALSE;
- gboolean found = FALSE;
-
- if (!wm_state_atom)
- wm_state_atom = gdk_atom_intern ("WM_STATE", FALSE);
-
- gdk_error_code = 0;
- XGetWindowProperty (gdk_display, xid, wm_state_atom, 0, 0, False, AnyPropertyType,
- &type, &format, &nitems, &after, &data);
-
- if (gdk_error_code)
- {
- gdk_error_code = 0;
- return FALSE;
- }
-
- if (type)
- {
- send = TRUE;
- XFree (data);
- }
- else
- {
- /* OK, we're all set, now let's find some windows to send this to */
- if (XQueryTree(gdk_display, xid, &ret_root, &ret_parent,
- &ret_children, &ret_nchildren) != True)
- return FALSE;
-
- if (gdk_error_code)
- return FALSE;
-
- for(i = 0; i < ret_nchildren; i++)
- if (gdk_event_send_client_message_to_all_recurse(xev, ret_children[i], level + 1))
- found = TRUE;
-
- XFree(ret_children);
- }
-
- if (send || (!found && (level == 1)))
- {
- xev->xclient.window = xid;
- gdk_send_xevent (xid, False, NoEventMask, xev);
- }
-
- return (send || found);
-}
-
-void
-gdk_event_send_clientmessage_toall (GdkEvent *event)
-{
- XEvent sev;
- gint old_warnings = gdk_error_warnings;
-
- g_return_if_fail(event != NULL);
-
- /* Set up our event to send, with the exception of its target window */
- sev.xclient.type = ClientMessage;
- sev.xclient.display = gdk_display;
- sev.xclient.format = event->client.data_format;
- memcpy(&sev.xclient.data, &event->client.data, sizeof(sev.xclient.data));
- sev.xclient.message_type = event->client.message_type;
-
- gdk_event_send_client_message_to_all_recurse(&sev, gdk_root_window, 0);
-
- gdk_error_warnings = old_warnings;
-}
-
-/*
- *--------------------------------------------------------------
- * gdk_flush
- *
- * Flushes the Xlib output buffer and then waits
- * until all requests have been received and processed
- * by the X server. The only real use for this function
- * is in dealing with XShm.
- *
- * Arguments:
- *
- * Results:
- *
- * Side effects:
- *
- *--------------------------------------------------------------
- */
-
-void
-gdk_flush (void)
-{
- XSync (gdk_display, False);
-}
-
-
projects / ~andy / gtk / blobdiff